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Finding the Fourth Proportional to 354,757.20, 532,200.60 and 144,416.40

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Solution

The fourth proportional to 354,757.20, 532,200.60 and 144,416.40 is: 216,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,757.20 : 532,200.60 = 144,416.40 : x
  2. Step 2: Convert to fraction form
    354,757.20/532,200.60 = 144,416.40/x
  3. Step 3: Cross multiply
    354,757.20x = 532,200.60 × 144,416.40
  4. Step 4: Simplify right side
    354,757.20x = 76,858,494,729.84
  5. Step 5: Solve for x
    x = 76,858,494,729.84/354,757.20
  6. Step 6: Final answer
    x = 216,650.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.